package com.zmj;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.reactive.CorsWebFilter;
import org.springframework.web.cors.reactive.UrlBasedCorsConfigurationSource;

/**
 * 使用CORS，用于解决ajax跨域访问问题
 */
@Configuration
public class CorsConfig {
        @Bean
        public CorsWebFilter corsWebFilter() {
                UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();

                CorsConfiguration corsConfiguration = new CorsConfiguration();
                //1、配置跨域
                corsConfiguration.addAllowedHeader("*");//允许哪些头进行跨域
                corsConfiguration.addAllowedMethod("*");//允许哪些请求方式进行跨域
                corsConfiguration.addAllowedOrigin("*");//允许哪些请求来源进行跨域
                corsConfiguration.setAllowCredentials(true);//是否允许携带cookie进行跨域，否则跨域请求会丢失cookie信息

                source.registerCorsConfiguration("/**", corsConfiguration);

                return new CorsWebFilter(source);
        }
}